Home / 12,260,672.56-16,920,253.02-6,828,164.56

Finding the Fourth Proportional to 12,260,672.56, 16,920,253.02 and 6,828,164.56

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Solution

The fourth proportional to 12,260,672.56, 16,920,253.02 and 6,828,164.56 is: 9,423,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,672.56 : 16,920,253.02 = 6,828,164.56 : x
  2. Step 2: Convert to fraction form
    12,260,672.56/16,920,253.02 = 6,828,164.56/x
  3. Step 3: Cross multiply
    12,260,672.56x = 16,920,253.02 × 6,828,164.56
  4. Step 4: Simplify right side
    12,260,672.56x = 115,534,272,017,396.97
  5. Step 5: Solve for x
    x = 115,534,272,017,396.97/12,260,672.56
  6. Step 6: Final answer
    x = 9,423,159.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.